2. While the chicken is marinating, make the tzatziki sauce by mixing the cucumber, yogurt, sour cream, oregano, lemon zest, lemon juice, and salt in a bowl.

3. Preheat grill on HI for 10 minutes (or prepare coals for charcoal). While grill is heating, put chicken on skewers and drizzle or spray with a little oil.

4. Reduce grill heat to medium and grill chicken with lid closed, rotating skewers every 5 minutes or so, until chicken is done (about 10-15 minutes depending on the size of the chunks and your grill).